package reflect;

import java.lang.reflect.Method;
import java.util.Scanner;

public class ReflectDemo4 {
    public static void main(String[] args) throws Exception {
        Person p = new Person();
       // p.sayHello();
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入类名：");
        String className=scanner.nextLine();
        System.out.println("请输入方法名：");
        String methodName=scanner.nextLine();
        //实例化
        Class cls=Class.forName(className);
        Object obj=cls.newInstance();
        //通过类方法获取对应的方法
        Method method=cls.getMethod(methodName);
        method.invoke(obj);//obj.sayHello();



    }
}
